Projected press device for raising film

Abstract

A film raising device for raising a film, applied to a film peeling apparatus, comprises a film press member for pressing the film, a supporting member for supporting the film press member slidably and a spring member for urging the film press member in a direction close to the film, the spring member being mounted on the supporting member.

What is claimed is: 
     
       1. A film raising device for raising an end portion located at one end of a film laminated on part of a main surface of a panel, for use in a film peeling apparatus, said film raising device comprising: film press means for pressing against an unlaminated part of the main surface of the panel adjacent the one end of the film when said film press means is in a first position and for pressing against the one end of the film when said film press means is in a second position, said film press means comprising an elongate member extending in a first direction, and having a tip portion at one end for contacting the film when said film press means is in said second position;   holding means for holding said film press means for slidable movement in a second direction toward the panel, said holding means including a hollow cylindrical member, said film press means being disposed in said cylindrical member along an axis thereof, wherein said second direction is substantially the same as said first direction;   first spring means for urging said film press means in said second direction, said first spring means being mounted in said cylindrical member at an end of said elongate member opposite to the one end of said elongate member;   supporting means for supporting said cylindrical member for slidable movement in said second direction, said cylindrical member being rotatable with said supporting means; and   second spring means for urging said holding means in said second direction relative to said supporting means, said second spring means being mounted on said supporting means;   first transporting means for moving said supporting means to one position at which said film press means is in said first position; and   second transporting means for rotating said supporting means to another position at which said film press means is in said second position,   wherein said first spring means is adapted to keep said tip portion of said film press means biased into contact with said unlaminated part of said main surface of said panel during rotation of said supporting means with said film press means in said first position to said position at which said film press means is in said second position.   
     
     
       2. A film raising device according to claim 1, wherein, at the one end of the film, there is an edge portion of the film extending in a third direction, and said second transporting means rotates said supporting means about an axis perpendicular to said first direction and parallel to said third direction. 
     
     
       3. A film raising device according to claim 1, wherein said film press means has at least two finger portions for contacting the one end of the film and raising the end portion of the film. 
     
     
       4. A film raising device according to claim 3, further comprising means for preventing rotation of said elongate member about an axis parallel to said first direction. 
     
     
       5. A film raising device according to claim 4, wherein said rotation preventing means comprises a screw member fitted to said supporting means and a hole portion formed in said elongate member for receiving said screw member. 
     
     
       6. A film raising device according to claim 1, wherein said first transporting means and said second transporting means comprise a link mechanism for connecting said supporting means to a power source. 
     
     
       7. A film raising device according to claim 1, wherein said cylindrical member has a predetermined radius and an end portion proximate to said tip portion of said elongate member, which end portion has a radius greater than said predetermined radius, said second spring means mounted on said supporting means being disposed around said cylindrical member and in contact with said end portion. 
     
     
       8. A film raising device according to claim 7, further comprising means for advancing said film in a third direction relative to said tip portion of said elongate member and past said tip portion, and said second transporting means rotates said supporting means about an axis perpendicular to said first direction and parallel to said third direction. 
     
     
       9. A film raising device according to claim 1, wherein said supporting means comprises a rotary shaft, and said first transporting means comprises two guide members (3F) having guide slots (3f) extending in said first direction for guiding opposite ends of said rotary shaft for movement in said first direction, two arm members (3G) for rotatably supporting said opposite ends of said rotary shaft, and means for reciprocating said arm members within said guide slots so as to move said rotary shaft in said first direction. 
     
     
       10. A film raising device for raising an end portion of a film laminated on part of a main surface of a panel, for use in a film peeling apparatus, said film raising device comprising: film press means for pressing against an unlaminated part of the main surface of the panel, said film press means comprising an elongate member extending in a first direction, and having a tip portion at one end for contacting an unlaminated part of the panel adjacent the end portion of the film;   holding means for holding said film press means for slidable movement in a second direction toward the panel, said holding means including a hollow cylindrical member, said film press means being disposed in said cylindrical member along an axis thereof, wherein said second direction is substantially the same as said first direction;   first spring means for urging said film press means in said second direction, said first spring means being mounted in said cylindrical member at an end of said elongate member opposite to the one end;   supporting means for supporting said cylindrical member for slidable movement in said second direction;   means for moving said supporting means along an arcuate path; and   second spring means for urging said holding means in said second direction relative to said supporting means, said second spring means being mounted on said supporting means,   wherein said first spring means is adapted to keep said tip portion of said film press means biased into contact with said unlaminated part of said main surface of said panel during movement of said supporting means such that said tip portion of said elongate member contacts the end portion of said film to thereby raise the end portion.   
     
     
       11. A method for peeling a film laminated on part of a main surface of a panel, comprising the steps of: transporting a supporting member for supporting a film press member toward the panel so that the film press member will contact an unlaminated part of the main surface of the panel;   raising an end portion of the film proximate to the end portion of the panel by rotating the supporting member while urging the film press member toward the film so that the film press member presses against and raises the end portion of the film; and   injecting fluid at the raised end portion of the film to peel the film from the panel.   
     
     
       12. A film peeling device for peeling a film laminated on a panel, said device comprising: a film raising device for raising an end portion of a film, said film raising device comprising film press means for pressing an end of the film at said end portion thereof, said film press means comprising an elongate member extending in a first direction, and having a tip portion at one end for contacting the end of the film, holding means for holding said film press means for slidable movement in a second direction toward the panel, said holding means including a hollow cylindrical member, said film press means being disposed in said cylindrical member along an axis thereof, first spring means for urging said film press means in said second direction, said first spring means being mounted in said cylindrical member at an end of said elongate member opposite to the one end, said second direction being substantially the same as said first direction, supporting means for supporting said cylindrical member for slidable movement in said second direction, second spring means for urging said holding means in said second direction relative to said supporting means, said second spring means being mounted on said supporting means, means for transporting said supporting means to a first position where said film press means contacts an end portion of a surface of the panel proximate to the end of the film, and means for rotating said supporting means to a second position where said film press means presses against the end of the film and raises the end portion thereof; and   fluid injection means for injecting fluid at the end portion of the film raised by said film raising device.   
     
     
       13. A film raising device for raising an end portion of upper and lower films laminated on part of upper and lower main surfaces of a panel, for use in a film peeling apparatus, said end portion being located at one end of said films, said film raising device comprising upper and lower film pressing members located above and below said films, respectively, each of said film pressing members comprising: film press means for pressing against an unlaminated part of the main surface of the panel adjacent the one end of the film when said film press means is in a first position and for pressing against the one end of the film when said film press means is in a second position, said film press means comprising an elongate member extending in a first direction, and having a tip portion at one end for contacting the film when said film press means is in said second position;   holding means for holding said film press means for slidable movement in a second direction toward the panel, said holding means including a hollow cylindrical member, said film press means being disposed in said cylindrical member along an axis thereof, wherein said second direction is substantially the same as said first direction;   first spring means for urging said film press means in said second direction, said first spring means being mounted in said cylindrical member at an end of said elongate member opposite to the one end of said elongate member;   supporting means for supporting said cylindrical member for slidable movement in said second direction, said cylindrical member being rotatable with said supporting means; and   second spring means for urging said holding means in said second direction relative to said supporting means, said second spring means being mounted on said supporting means,   wherein said film raising device further comprises:   first transporting means for moving said supporting means to one position at which said film press means is in said first position; and   second transporting means for rotating said supporting means to another position at which said film press means is in said second position.   
     
     
       14. A film raising device according to claim 13, wherein each said supporting means comprises a rotary shaft, and said first transporting means comprises two guide members (3F) each having a pair of upper and a pair of lower guide slots (3f) extending in said first direction for receiving and guiding opposite ends of each said rotary shaft, respectively, for movement in said first direction, upper and lower pairs of arm members (3G) for rotatably supporting said opposite ends of each said rotary shaft, and means for reciprocating both said upper and lower pairs of arm members within said guide slots so as to move each said rotary shaft in said first direction. 
     
     
       15. A film raising device according to claim 14, wherein said means for reciprocating comprises two linking arms (3H) each connected at opposite ends to one of said upper arms and a corresponding one of said lower arms, each of said linking arms being rotatable about a central shaft (3h), and drive means for reciprocatably rotating said linking arms about said central shaft to simultaneously move said upper and lower film press members in said first direction to move said film press means to said first position. 
     
     
       16. A film raising device according to claim 15, wherein said second transporting means comprises two mechanisms, each of said mechanisms comprising upper and lower rotatable arm members (3K), each of said upper and lower rotatable arm members having an end portion fixedly connected to a corresponding one of each said rotary shaft, and a guide slot (3k) formed at an opposite end portion and extending a predetermined distance in said first direction for slidably receiving said central rotary shaft, and drive means connected to said central rotary shaft for moving said central rotary shaft in a direction transverse to said first direction to rotate said rotatable arm members to thereby rotate each said rotary shaft. 
     
     
       17. A film raising device according to claim 16, wherein said predetermined distance is at least as great as a range of reciprocal motion of each said rotary shaft in said first direction.